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  <head>
    <meta charset="UTF-8">
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    <title>Methods for Adding CSS</title>
    <link rel="stylesheet" href="solution.css">

    <style>
      p {
        background-color: green;
        color: white;
        font-size: 18px;
      }
    </style>
  </head>
  <body>
    <div>Style me via the external method!</div>
    <p>I would like to be styled with the internal method, please.</p>
    <button style="background-color: orange; font-size: 18px;">Inline Method</button>
  </body>
</html>